题解 | #密码游戏#

import sys


for line in sys.stdin:
    n1 = line.strip()
    num = int(n1)

    num_list = []
    while num > 0:
        last_number = num % 10
        num_list.append(last_number)
        num = num // 10
    num_list.reverse()

    n2 = []
    newOne = 0
    for one in num_list:
        one = int(one)
        newOne = (one + 3) % 9
        n2.append(newOne)

    swap = n2[0]
    n2[0] = n2[2]
    n2[2] = swap

    swap2 = n2[1]
    n2[1] = n2[3]
    n2[3] = swap2

    #print(n2)
    for one2 in n2:
        print(one2, end='')